Wall sconce



FIG. 1 is a front elevational view embodying my design for wall sconce;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a side elevational view thereof, the opposite side being a mirror image; and,

FIG. 4 is a bottom plan view thereof, the top thereof being a mirror image. 

I claim the ornamental design for a wall sconce, as shown and described. 